Both burglaries happened between 5pm on Saturday, January 12 and 12.20pm on Sunday, January 13.

The first happened at NVWC car centre after the gate to the premises was taken off its hinges and a rear door was forced to gain access into the garage.

The office of the premises was then also broken into but nothing was stolen. A white transit pick-up truck was then stolen from outside.

Police believe a fence on the site was then cut through to gain access to neighbouring business Stimpsons Plumbing and Heating Engineers.

The thieves then forced a wooden front door before carrying out an untidy search and stealing about 12 taped bundles of copper piping in 15mm, 22mm, 28mm, 35mm, 42mm and 54 mm widths.

Also stolen was approximately 1,000 loose copper fitting parts, six extractor fans, between 200 and 300 B-Press copper fittings, which contain rubber rings inside, and about 50 chrome-plated basin and bath taps.

Police are linking the incidents and the white transit pick-up was later found abandoned in Newton Road, Castle Acre, near Swaffham, on Sunday January 13.

Anyone who witnessed the burglaries or with information about the items that were stolen should contact PC Cormac Harrison at Sprowston Police Station on 101 or call Crimestoppers anonymously on 0800 555 111.